The figure includes almost 1.1 trillion barrels of "technical reserves", which WoodMac defines as reserves without a firm development plans in place.
Another 300 billion barrels of undeveloped commercial reserves are expected to come online in the next decade, WoodMac said.
“Over half of these discoveries which we classify as ‘good technicals’, are potentially economic under our current price assumptions," said WoodMac upstream analyst David Highton, adding that they have a collective value of around $760 billion.